HTC Desire 820 vs LG G Flex2 vs LG G4 Dual

General Info

Manufacturer
HTC	LG	LG
Announced
September 2014	January 2015	May 2015
Status
Coming Soon - September 2014	Available - January 2015	Available - May 2015
Price
-	Rs. 26,499 ($389.69) [Similarly Priced]	Rs. 34,699 ($510.28) [Similarly Priced]
Colors
Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang	Platinum Silver, Flamenco Red	Grey, White, Gold, Leather Black, Leather Brown, Leather Red
Form Factor
Candybar	Candybar	Candybar
Dimension
157.7 x 78.7 x 7.7 mm (6.21 x 3.1 x 0.3 in)	149.1 x 75.3 x 7.1-9.4 mm (5.87 x 2.96 x 0.28-0.37 in)	148.9 x 76.1 x 6.3 - 9.8 mm (5.86 x 3 x 0.25 - 0.39 in)
Weight
155 g (5.47 oz)	152 g (5.36 oz)	155 g (5.47 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 TD-SCDMA 1900 / 2000 - H818N
3G Network
HSDPA 850 / 900 / 1900 / 2100 - EMEA version HSDPA 900 / 2100 - Asia version	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100 - H818N
4G Network
LTE 900 / 1800 / 2100 / 2600 - EMEA version	LTE 800 / 900 / 1800 / 2100 / 2600	LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) - H818N
Messaging
SMS, MMS, Push Mail, EMail	SMS, MMS, EMail, IM	SMS, MMS, EMail, IM
Build Features
-	Self-healing back panel coating	-

OS
Android OS, v4.4.2 (KitKat)	Android OS, v5.0.1 (Lollipop)	Android OS, v5.1 (Lollipop)
Processor
Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615	Quad-core 1.5 GHz Cortex-A53 & Quad-core 2 GHz Cortex-A57, Qualcomm MSM8994 Snapdragon 810	Dual-core 1.82 GHz Cortex-A57 & quad-core 1.44 GHz Cortex-A53, Qualcomm MSM8992 Snapdragon 808
GPU
Adreno 405	Adreno 430	Adreno 418
RAM
2 GB	2 GB	3 GB
Internal Memory
16 GB	16 GB	32 GB
External Memory
microSD, up to 128 GB	microSD, up to 128 GB	microSD, up to 2 TB

Type
LCD Capacitive Touchscreen	Curved P-OLED Capacitive Touchscreen, Corning Gorilla Glass 3	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3
Colors
16M colors	16M colors	16M colors
Size
5.5 inches	5.5 inches	5.5 inches
Resolution
720 x 1280 pixels (267 ppi)	1080 x 1920 pixels (403 ppi)	1440 x 2560 pixels (534 ppi)
Screen-to-Body Ratio
67.20%	73.37%	73.61%
Multi-Touch

Rear Camera
13 MP, 4160 x 3120 pixels	13 MP, 4128 x 3096 pixels	16 MP, 5312 x 2988 pixels
Flash
LED flash	laser autofocus	LED Flash
Features
Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR	Simultaneous Video And Image Recording, Geo-tagging, Face Detection, Panorama, HDR	Laser Autofocus, OIS, 1/2.6' Sensor Size, Simultaneous Video And Image Recording, Geo-tagging, Face Detection, HDR
Video
1080p@30fps, 720p@60fps	2160p@30fps, 1080p@60fps, HDR, stereo sound rec.	2160p@30fps, 1080p@60fps, optical stabilization, HDR, stereo sound rec.
Front Camera
8 MP, 1080p	2.1 MP, 1080p@30fps	8 MP, 1080p@30fps

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL	HSPA 42.2/21.1 Mbps, LTE Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth
v4.0, A2DP	v4.1, A2DP, LE, apt-X	v4.1, A2DP, LE, apt-X
Wi-Fi
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot	Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot
USB
microUSB v2.0	microUSB v2.0 (SlimPort), USB Host	microUSB v2.0 (SlimPort 4K), USB Host
GPS
Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS	Yes, with A-GPS, GLONASS
Browser
HTML5	HTML5	HTML5